1610401321003 has 2 divisors, whose sum is σ = 1610401321004. Its totient is φ = 1610401321002.

The previous prime is 1610401320977. The next prime is 1610401321031. The reversal of 1610401321003 is 3001231040161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1610401321003 - 2³⁷ = 1472962367531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1610401321303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805200660501 + 805200660502.

It is an arithmetic number, because the mean of its divisors is an integer number (805200660502).

Almost surely, 2^{1610401321003} is an apocalyptic number.

1610401321003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610401321003 is an equidigital number, since it uses as much as digits as its factorization.

1610401321003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1610401321003 its reverse (3001231040161), we get a palindrome (4611632361164).

The spelling of 1610401321003 in words is "one trillion, six hundred ten billion, four hundred one million, three hundred twenty-one thousand, three".